/* 悬浮按钮容器 */
.postButtonContainer {
  position: fixed;
  right: 2em;
  top: calc(50% + 5em);
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  z-index: 100;
  cursor: pointer;
}

/* 主按钮样式 */
.postButton {
  width: 3.5em;
  height: 3.5em;
  border-radius: 50%;
  background-color: rgb(70, 70, 70);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  transition: all 0.3s ease;
  border: 1px solid rgb(90, 90, 90);
}

.postButton:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* 图标样式 */
.postIcon {
  width: 1.3em;
  height: 1.3em;
  font-size: 1.5em;
  color: #fff;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .postButtonContainer {
    right: 1em;
    top: calc(50% + 4.5em);
  }

  .postButton {
    width: 3em;
    height: 3em;
  }

  .postIcon {
    font-size: 1.2em;
  }
}
